stomach

Cow (Red Devon breed) Illustration from “30 Animals that made us smarter” by Patrick Ayree (BBC Books).

Diagram line drawing of cow showing its four stomachs Illustration from “30 Animals that made us smarter” by Patrick Ayree (BBC Books)

Coral cross section pen and ink monochrome illustration including a scene of a coral reef with a detailed close up of the internal organs of a typical coral polyp

Sanicle Sanicula europea with flower detail and seeds shown on the plant as well as flowers

Yellow bellied toad Bombina variegata in water